Chemical Thermodynamics Question 229

Question: The energy evolved is highest for which of the following reactions [MP PET 1994]

Options:

A) $ F+{{e}^{-}}\to {{F}^{-1}} $

B) $ Cl+{{e}^{-}}\to C{{l}^{-}} $

C) $ S+2{{e}^{-}}\to {{S}^{2-}} $

D) $ O+2{{e}^{-}}\to {{O}^{2-}} $

Show Answer

Answer:

Correct Answer: B

Solution:

Due to high electron affinity of Cl the highest energy is evolved.



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